package com.atguigu.springboot.controller;

import com.atguigu.springboot.dao.DepartmentDao;
import com.atguigu.springboot.dao.EmployeeDao;
import com.atguigu.springboot.entities.Department;
import com.atguigu.springboot.entities.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;

import java.util.Collection;


@Controller

public class EmployeeController {
@Autowired
EmployeeDao employeeDao;
@Autowired
    DepartmentDao departmentDao;

//查询所有员工返回列表页面
    @GetMapping("/emps")
    public String list(Model model){
        Collection<Employee> employees = employeeDao.getAll();

        //放在请求域中
        model.addAttribute("emps",employees);
        //thymeleaf默认就会拼串
        //classpath:/templates/XXX/html
            return "emp/list";
    }


    //来到员工的添加页面
    @GetMapping("/emp")
    public String toAddPage(Model model){
        //来到添加页面,查询所有的部门，在页面显示
        Collection<Department> departments = departmentDao.getDepartments();

        model.addAttribute("depts",departments);
        return"emp/add";
    }

    //员工添加
    //SpringMvc自动的将请求参数和入参的对象的属性一一绑定：要求请求参数的名字和javaBean入参的对象里面的属性名保持一致
    @PostMapping("/emp")
    public String addEmp(Employee employee){
        //来到员工页面
//    System.out.println("保存的员工信息"+employee);
      //保存员工
        employeeDao.save(employee);


        //redirect:表示重定向到一个地址  /代表当前项目的路径
        //froward:表示转发到一个地址
        return "redirect:/emps";

    }
//来到修改页面的额 查出当前员工  在页面回显
    @GetMapping("/emp/{id}")
    public String toEditPage(@PathVariable("id") Integer id ,Model model){


        Employee employee = employeeDao.get(id);
        model.addAttribute("emp",employee);
        //页面要显示所有的部门列表
        Collection<Department> departments = departmentDao.getDepartments();
        model.addAttribute("depts",departments);

//回到修改页面（add是一个修改添加二合一的页面）；
        return "emp/add";
    }
    //员工修改
    @PutMapping("/emp")
    public  String updateEmployee(Employee employee){
        System.out.println("修改的员工数据"+employee);
        employeeDao.save(employee);
        return "redirect:/emps";

    }
    //员工删除
    @DeleteMapping("/emp/{id}")
    public String deleteEmployee(@PathVariable("id") Integer id){

employeeDao.delete(id);
return "redirect:/emps";
    }

    }


